Q. Which of the following pairs has both members from the same period of the periodic table?
A. Na – Ca
B. Na – Cl
C. Ca – Cl
D. Cl – Br
Answer: Na – Cl
We will be happy to hear your thoughts
A. Na – Ca
B. Na – Cl
C. Ca – Cl
D. Cl – Br
Answer: Na – Cl
